Worldcon 75, to be held in Helsinki in August 2017, will exercise its right under WSFS Constitution to run a special Hugo category for "Best Series". Eligible work will be a multi-volume science fiction or fantasy story, unified by elements such as plot, characters, setting, and presentation, which has appeared in at least three volumes consisting of a total of at least 240,000 words by the close of the calendar year 2016, at least one volume of which was published in 2016. (See Press Release)